It's the 10-year anniversary of Broadway's longest-running musical, and the best seat in the house is reserved for Hizzoner himself. But it's a performance he'll never forget when cold-blooded murder turns The Last Laugh into the hottest ticket in town. And as mayor/sleuth Ed Koch soon discovers, when it comes to suspects, it's standing room only. Now, amid backstage backstabbing and Times Square intrigues, it's up to Koch to follow the clues scene-by-scene as he scrambles to stop a dangerous killer from making an encore appearance.